AgeName

How old is someone named Stephanie?

The average Stephanie is 43 years old.

Half of all living Stephanies are between 35 and 53.

Estimated alive
698K
Median age
42
Peak year
1990
Mostly
Millennials

Stephanie peaked in 1990 and has been given less and less ever since. Only 543 babies got the name in 2025.

Popular names of 1990 · The most popular names of the 1990s →

Show the numbers by decade
Babies named Stephanie by decade, and how many are estimated alive today
Born inBabies bornAlive today
1900s3630
1910s2,6730
1920s1,988under 100
1930s1,603400
1940s11,9537,300
1950s35,62128,000
1960s93,09883,000
1970s161,091150,000
1980s219,181210,000
1990s150,367150,000
2000s50,07250,000
2010s15,84916,000
2020s3,8273,800

How many Stephanies are still alive?

About 700,000 Stephanies are alive in the US today. That's 93% of the roughly 750,000 babies named Stephanie since 1891.

Nearly every Stephanie ever born is still alive, because almost all of them are young.

What generation is the name Stephanie?

About half of living Stephanies are Millennials, born between 1981 and 1996.

See all Millennial names →

Is Stephanie an old name?

Somewhat. Stephanie is older than 70 in 100 names on AgeByName, but younger than plenty of classics.

Looking ahead: if babies keep getting the name at today's pace, the typical Stephanie will be 68 in 2056, so the name is aging fast.

Names that sound old →

Is Stephanie a boy or girl name?

Almost entirely girls: 99.7% of living Stephanies are women.

Names the same age as Stephanie

NAME TWIN

Stephanie's name twin is Kristina. Of all 3,713 names on AgeByName, Kristina's age curve is the closest match to Stephanie's: 93% alike.

Other spellings: Stefanie (44) · Stephany (33) · Stefani (38) · Stephani (41)

Compare: Stefanie vs. Stephanie

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Questions about the name Stephanie

How old is the average Stephanie?

The average Stephanie in the US is 43 years old. The median is 42, so half are older and half younger.

How many people are named Stephanie?

About 700,000 Stephanies are alive in the US today, out of roughly 750,000 babies given the name since 1891.

When was the name Stephanie most popular?

In 1990, when about 25,000 baby girls were named Stephanie.

Is Stephanie a Millennial name?

Partly. Millennials are the largest group, about 45% of living Stephanies, but the name spans several generations.

Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). Updated each spring. How we calculate this